represent 50% of healthcare costs. and if you're an employer and can identify who these people are, you can save a lot of money to your bottom line. >> which is what this is all about. countless companies like quaker oats, johnson & johnson, honeywell, motorola, and ibm claim to have saved millions after instituting wellness programs. but all that good health might not necessarily make for the best workforce. the city of north miami, florida, used to require that all its new police officers be non-smokers. but two years ago, the city quietly dropped the smoking ban. gwendolyn boyd is the city's chief of police. >> we realized that at best we may save 5% on our insurance premium. but now we're having a problem with trying to recruit and hire highly-qualified candidates, and we're competing against agencies that do not have that policy. >> did dropping the policy dramatically change that? were you able to find qualified people? >> i would have to say unequivocally yes. >> officer juan mayato believes that the city ultima